108 lines
2.8 KiB
PHP
108 lines
2.8 KiB
PHP
<?php
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namespace App\Core;
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use \Exception;
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use \PDO;
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/**
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* Represents the current user session
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*/
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class User
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{
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private const SESSION_KEY = 'UserClass';
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private Session $session;
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private Database $database;
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// always initialized
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public bool $logged_in;
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// initialized only if logged in
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public string $username;
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public string $password;
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public int $power_level;
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public function __construct(Session $session, Database $database)
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{
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$this->session = $session;
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$this->database = $database;
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$user = $this->session->get(self::SESSION_KEY);
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// check if user session has been set
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if (!$user)
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{
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$this->logged_in = FALSE;
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return;
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}
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// check if username and password match
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if (!$this->authenticate($user['username'], $user['password']))
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{
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$this->logged_in = FALSE;
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$this->logout();
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$this->session->flash('Kontodetaljer er blitt endret, vennligst logg inn igjen', 'warning');
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return;
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}
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// all is good, we should be logged in now! (hopefully)
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$this->logged_in = TRUE;
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$this->username = $user['username'];
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$this->password = $user['password'];
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$this->power_level = $this->getPowerLevel();
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}
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/**
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* Get current user power level
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*/
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private function getPowerLevel(): int
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{
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if (!$this->logged_in)
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{
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throw new Exception("Can't get power level without being logged in!");
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}
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$sth = $this->database->conn->prepare(
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'SELECT Nivå FROM brukertabell WHERE Navn = ? AND Passord = ?'
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);
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$sth->execute([$this->username, $this->password]);
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$row = $sth->fetch(PDO::FETCH_ASSOC);
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return $row['Nivå'];
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}
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/**
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* Set session if username and password match
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*/
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public function login(string $username, string $password): bool
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{
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if ($this->authenticate($username, $password))
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{
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$this->session->set(self::SESSION_KEY, [
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'username' => $username,
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'password' => $password
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]);
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return TRUE;
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}
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return FALSE;
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}
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/**
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* Check if username and password match database
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*/
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private function authenticate(string $username, string $password): bool
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{
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$sth = $this->database->conn->prepare(
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'SELECT * FROM brukertabell WHERE Navn = ? AND Passord = ?'
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);
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$sth->execute([$username, $password]);
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if ($sth->rowCount())
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{
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return TRUE;
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}
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return FALSE;
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}
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public function logout(): void
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{
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$this->session->remove(self::SESSION_KEY);
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}
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} |